Henry St John, 4th Viscount Bolingbroke (6 March 1786 - 1 October 1851) was the son of George Richard St John, 3rd Viscount Bolingbroke and Charlotte Collins.[1]
Henry married Maria, daughter of Sir Henry Paulet St John Mildmay in 1812 at St George's, Hanover Square in 1812. The couple had six children - Maria Louisa (b. 1813), Anne Jane Charlotte (b. 1814), Isabella Letitia (b. 1816), Emily Arabella Jane (b. 1817), Henry (b. 1820) and Spencer (b. 1822).
Henry died on 1 October 1851 while visiting his daughter in Elgin.[2] He was buried in the family vault at St Mary's Church in Lydiard Tregoze on 7 October 1851. He was succeeded by his son Henry.